package servlet;

import pojo.Dept;
import service.DeptService;
import service.impl.DeptServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet(urlPatterns = "/toUpdate")
public class ToUpdateDeptServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //TODO   要做但还没做的
        req.setCharacterEncoding("UTF-8");
        //获取参数
        String sid = req.getParameter("id");
        int id=Integer.parseInt(sid);

        DeptService deptService = new DeptServiceImpl();
        Dept depts = deptService.findDeptById(id);

        //把数据放在请求域中
        req.setAttribute("depts", depts);
        //在哪个页面显示数据
        req.getRequestDispatcher("/updateDept.jsp").forward(req,resp);

    }
}
